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27 lines
1.3 KiB
SQL
27 lines
1.3 KiB
SQL
-- https://github.com/ClickHouse/ClickHouse/issues/4567
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SET allow_experimental_analyzer=1;
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DROP TABLE IF EXISTS fact;
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DROP TABLE IF EXISTS animals;
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DROP TABLE IF EXISTS colors;
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create table fact(id Int64, animal_key Int64, color_key Int64) Engine = MergeTree order by tuple();
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insert into fact values (1,1,1),(2,2,2);
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create table animals(animal_key UInt64, animal_name String) Engine = MergeTree order by tuple();
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insert into animals values (0, 'unknown');
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create table colors(color_key UInt64, color_name String) Engine = MergeTree order by tuple();
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insert into colors values (0, 'unknown');
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select id, animal_name, a.animal_key, color_name, color_key
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from fact a
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left join (select toInt64(animal_key) animal_key, animal_name from animals) b on (a.animal_key = b.animal_key)
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left join (select toInt64(color_key) color_key, color_name from colors) c on (a.color_key = c.color_key); -- { serverError AMBIGUOUS_IDENTIFIER }
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select id, animal_name, animal_key, color_name, color_key
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from fact a
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left join (select toInt64(animal_key) animal_key, animal_name from animals) b on (a.animal_key = b.animal_key)
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left join (select toInt64(color_key) color_key, color_name from colors) c on (a.color_key = c.color_key); -- { serverError AMBIGUOUS_IDENTIFIER }
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